Additive soft synth gains free counterpartSound Radix have just released a free monophonic additive software synth that’s based on the same engine as their Radical1 instrument. Radical1 SoloNamed Radical1 Solo, the new arrival is said to be more than just a way to discover and try out the fully fledged version, and promises to stand up as a powerful instrument in its own right. As you might expect, sounds created in Radical1 Solo can be loaded into Radical1, allowing users to pick up where they left off with additional voices and more in-depth sound-design tools. Radical1 UpdatedAlongside the launch of its free sibling, the full version of Radical1 has been treated to an update that introduces the following new features and enhancements:Searchable browser. The full version of Radical1 is currently (10 August 2026) still being offered at its introductory price of $129 (usually $199).